---
title: "Polygon.Companion.fromGeoJson | Mobile sdk | Mobile sdk android | Android"
description: "fromGeoJson"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Polygon.Companion.fromGeoJson

fun [fromGeoJson](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-region-geometry/-polygon/-companion/from-geo-json/)(json: [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)): [MTOfflineRegionGeometry.Polygon](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-region-geometry/-polygon/)

Creates a [Polygon](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-region-geometry/-polygon/) from a GeoJSON Polygon string.

#### Return

A new [Polygon](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-region-geometry/-polygon/) instance.

#### Parameters

json

The GeoJSON string.